all white people have it in their vocabulary some use it more than others but its mainly reserved for extenuating circumstances when a very stereotypical type of black person or something about black culture is agitating them in some way for example liberal politics nigger votes or if their car gets broken into while they were at a detroit tigers game in white peoples minds its kind of a word to describe a subset of black people maybe like the way you view and use the word jew you dont really say it about all jewish people but you reserve it for the really jewy ones greedy orthodox big ass noses etc